Basis of Presentation and Summary of Significant Accounting Policies (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Numerator [Abstract]
Net income from continuing operations	$ 1,778	$ 1,205	$ 7,322	$ 3,029
Net income (loss) from discontinuing operations	42	(106)	249	(208)
Net income	$ 1,820	$ 1,099	$ 7,571	$ 2,821
Denominator [Abstract]
Weighted average shares outstanding - Basic (in shares)	48,015,000	47,749,000	47,943,000	47,694,000
Weighted average shares outstanding - Diluted (in shares)	49,422,000	49,042,000	48,844,000	48,531,000
Basic income (loss) per common share:
Basic income per common share - continuing operations (in dollars per share)	$ 0.04	$ 0.02	$ 0.15	$ 0.06
Basic income per common share - discontinued operations (in dollars per share)	0	0	0.01	0
Basic income per common share (in dollars per share)	0.04	0.02	0.16	0.06
Diluted income (loss) per common share
Diluted income per common share - continuing operations (in dollars per share)	0.04	0.02	0.15	0.06
Diluted income per common share - discontinued operations (in dollars per share)	0	0	0.01	0
Diluted income per common share (in dollars per share)	$ 0.04	$ 0.02	$ 0.16	$ 0.06
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Options exercisable which were not included in computation of diluted earnings per share (in shares)			144,095	147,420
Stock-Based Compensation [Abstract]
Share-based compensation expense recognized	$ 698	$ 622	$ 2,147	$ 1,831
Unrecognized pre-tax compensation expense related to share-based awards not yet vested	$ 3,600		$ 3,600
Weighted-average period of recognition			1 year 6 months